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Contents
#
# delete.rb
#
# TODO(Krzysztof Wilczynski): We need to add support for regular expression ...
module Puppet::Parser::Functions
newfunction(:delete, :type => :rvalue, :doc => <<-EOS
Deletes all instances of a given element from an array, substring from a
string, or key from a hash.
*Examples:*
delete(['a','b','c','b'], 'b')
Would return: ['a','c']
delete({'a'=>1,'b'=>2,'c'=>3}, 'b')
Would return: {'a'=>1,'c'=>3}
delete('abracadabra', 'bra')
Would return: 'acada'
EOS
) do |arguments|
if (arguments.size != 2) then
raise(Puppet::ParseError, "delete(): Wrong number of arguments "+
"given #{arguments.size} for 2.")
end
collection = arguments[0]
item = arguments[1]
case collection
when Array, Hash
collection.delete item
when String
collection.gsub! item, ''
else
raise(TypeError, "delete(): First argument must be an Array, " +
"String, or Hash. Given an argument of class #{collection.class}.")
end
collection
end
end
# vim: set ts=2 sw=2 et :
Version data entries
29 entries across 29 versions & 3 rubygems